ctest: allow dashboard clients to specify presets via variables

Add variables to support specifying PRESET and PRESETS_FILE to
dashboard clients from the command-line.

Help/command/ctest_build.rst

@@ -86,13 +86,20 @@ The options are:
   argument will override the :preset:`buildPresets.targets` setting from
   the chosen preset.
 
+  See also the :variable:`CTEST_BUILD_PRESET` and
+  :variable:`CTEST_PRESET` variables.
+
 ``PRESETS_FILE <file>``
   .. versionadded:: 4.4
 
   Specify a :manual:`presets <cmake-presets(7)>` file to use instead of the
   default ``CMakePresets.json`` in the source directory.
   A relative path is interpreted relative to the source directory.
-  Has no effect unless ``PRESET`` is also specified.
+  Has no effect unless a preset is selected via the ``PRESET`` argument
+  or the :variable:`CTEST_BUILD_PRESET` or :variable:`CTEST_PRESET`
+  variables.
+
+  See also the :variable:`CTEST_PRESETS_FILE` variable.
 
 ``RETURN_VALUE <result-var>``
   Store the return value of the native build tool in the given variable.

Help/command/ctest_configure.rst

@@ -49,13 +49,20 @@ The options are:
   This option is ignored when :variable:`CTEST_CONFIGURE_COMMAND`
   is used.
 
+  See also the :variable:`CTEST_CONFIGURE_PRESET` and
+  :variable:`CTEST_PRESET` variables.
+
 ``PRESETS_FILE <file>``
   .. versionadded:: 4.4
 
   Specify a :manual:`presets <cmake-presets(7)>` file to use instead of the
   default ``CMakePresets.json`` in the source directory.
   A relative path is interpreted relative to the source directory.
-  Has no effect unless ``PRESET`` is also specified.
+  Has no effect unless a preset is selected via the ``PRESET`` argument
+  or the :variable:`CTEST_CONFIGURE_PRESET` or :variable:`CTEST_PRESET`
+  variables.
+
+  See also the :variable:`CTEST_PRESETS_FILE` variable.
 
 ``RETURN_VALUE <result-var>``
   Store in the ``<result-var>`` variable the return value of the native

Help/command/ctest_test.rst

@@ -201,13 +201,22 @@ The options are:
   the :preset:`filter.include.name <testPresets.filter.include.name>` setting
   from the chosen preset.
 
+  This option also applies to the :command:`ctest_memcheck` command.
+  See also the :variable:`CTEST_TEST_PRESET` and
+  :variable:`CTEST_PRESET` variables.
+
 ``PRESETS_FILE <file>``
   .. versionadded:: 4.4
 
   Specify a :manual:`presets <cmake-presets(7)>` file to use instead of the
   default ``CMakePresets.json`` in the source directory.
   A relative path is interpreted relative to the source directory.
-  Has no effect unless ``PRESET`` is also specified.
+  Has no effect unless a preset is selected via the ``PRESET`` argument
+  or the :variable:`CTEST_TEST_PRESET` or :variable:`CTEST_PRESET`
+  variables.
+
+  This option also applies to the :command:`ctest_memcheck` command.
+  See also the :variable:`CTEST_PRESETS_FILE` variable.
 
 ``QUIET``
   .. versionadded:: 3.3

Help/manual/cmake-variables.7.rst

@@ -738,12 +738,14 @@ Variables for CTest
    /variable/CTEST_BINARY_DIRECTORY
    /variable/CTEST_BUILD_COMMAND
    /variable/CTEST_BUILD_NAME
+   /variable/CTEST_BUILD_PRESET
    /variable/CTEST_BZR_COMMAND
    /variable/CTEST_BZR_UPDATE_OPTIONS
    /variable/CTEST_CHANGE_ID
    /variable/CTEST_CHECKOUT_COMMAND
    /variable/CTEST_CONFIGURATION_TYPE
    /variable/CTEST_CONFIGURE_COMMAND
+   /variable/CTEST_CONFIGURE_PRESET
    /variable/CTEST_COVERAGE_COMMAND
    /variable/CTEST_COVERAGE_EXTRA_FLAGS
    /variable/CTEST_CUSTOM_COVERAGE_EXCLUDE
@@ -792,6 +794,8 @@ Variables for CTest
    /variable/CTEST_P4_COMMAND
    /variable/CTEST_P4_OPTIONS
    /variable/CTEST_P4_UPDATE_OPTIONS
+   /variable/CTEST_PRESET
+   /variable/CTEST_PRESETS_FILE
    /variable/CTEST_RESOURCE_SPEC_FILE
    /variable/CTEST_RUN_CURRENT_SCRIPT
    /variable/CTEST_SCRIPT_DIRECTORY
@@ -803,6 +807,7 @@ Variables for CTest
    /variable/CTEST_SVN_OPTIONS
    /variable/CTEST_SVN_UPDATE_OPTIONS
    /variable/CTEST_TEST_LOAD
+   /variable/CTEST_TEST_PRESET
    /variable/CTEST_TEST_TIMEOUT
    /variable/CTEST_TEST_COVERAGE_TOOL
    /variable/CTEST_TLS_VERIFY

Help/release/dev/ctest-script-preset-arg.rst

@@ -1,7 +1,14 @@
 ctest-script-preset-arg
 ------------------------
 
-* The :command:`ctest_configure`,  :command:`ctest_build`,
+* The :command:`ctest_configure`, :command:`ctest_build`,
   :command:`ctest_test`, and :command:`ctest_memcheck` commands gained
   ``PRESET`` and ``PRESETS_FILE`` arguments to support using
   :manual:`presets <cmake-presets(7)>` for their :ref:`Dashboard Client` steps.
+
+* The :variable:`CTEST_CONFIGURE_PRESET`, :variable:`CTEST_BUILD_PRESET`,
+  :variable:`CTEST_TEST_PRESET`, :variable:`CTEST_PRESET`, and
+  :variable:`CTEST_PRESETS_FILE` variables may be used to specify preset
+  arguments to the above commands in a :ref:`Dashboard Client` script or
+  on the :program:`ctest` command line via the
+  :ref:`-D <ctest-option-D-var>` option.

Help/variable/CTEST_BUILD_PRESET.rst

@@ -0,0 +1,10 @@
+CTEST_BUILD_PRESET
+------------------
+
+.. versionadded:: 4.4
+
+Specify the ``PRESET`` option for the :command:`ctest_build` command
+in a :manual:`ctest(1)` :ref:`Dashboard Client` script,
+or on the :program:`ctest` command line via the :ref:`-D <ctest-option-D-var>` option.
+
+See also :variable:`CTEST_PRESET` and :variable:`CTEST_PRESETS_FILE`.

Help/variable/CTEST_CONFIGURE_PRESET.rst

@@ -0,0 +1,10 @@
+CTEST_CONFIGURE_PRESET
+----------------------
+
+.. versionadded:: 4.4
+
+Specify the ``PRESET`` option for the :command:`ctest_configure` command
+in a :manual:`ctest(1)` :ref:`Dashboard Client` script,
+or on the :program:`ctest` command line via the :ref:`-D <ctest-option-D-var>` option.
+
+See also :variable:`CTEST_PRESET` and :variable:`CTEST_PRESETS_FILE`.

Help/variable/CTEST_PRESET.rst

@@ -0,0 +1,22 @@
+CTEST_PRESET
+------------
+
+.. versionadded:: 4.4
+
+Specify a preset name to use for all relevant :manual:`ctest(1)`
+:ref:`Dashboard Client` steps in a dashboard script,
+or on the :program:`ctest` command line via the :ref:`-D <ctest-option-D-var>` option.
+
+This variable sets the ``PRESET`` option for :command:`ctest_configure`,
+:command:`ctest_build`, :command:`ctest_test`, and :command:`ctest_memcheck`
+when those commands are not given an explicit ``PRESET`` argument and the
+corresponding command-specific variable
+(:variable:`CTEST_CONFIGURE_PRESET`, :variable:`CTEST_BUILD_PRESET`, or
+:variable:`CTEST_TEST_PRESET`) is also unset.
+
+For :command:`ctest_configure`, an error is raised if no configure preset
+with this name exists.  For :command:`ctest_build`, :command:`ctest_test`,
+and :command:`ctest_memcheck`, a warning is emitted and the variable is
+ignored if no preset of the matching type exists with this name.
+
+See also :variable:`CTEST_PRESETS_FILE`.

Help/variable/CTEST_PRESETS_FILE.rst

@@ -0,0 +1,16 @@
+CTEST_PRESETS_FILE
+------------------
+
+.. versionadded:: 4.4
+
+Specify the ``PRESETS_FILE`` option for all relevant :manual:`ctest(1)`
+:ref:`Dashboard Client` step commands in a dashboard script,
+or on the :program:`ctest` command line via the :ref:`-D <ctest-option-D-var>` option.
+
+This variable sets the ``PRESETS_FILE`` option for
+:command:`ctest_configure`, :command:`ctest_build`, :command:`ctest_test`,
+and :command:`ctest_memcheck` when those commands are not given an explicit
+``PRESETS_FILE`` argument.
+
+See also :variable:`CTEST_PRESET`, :variable:`CTEST_CONFIGURE_PRESET`,
+:variable:`CTEST_BUILD_PRESET`, and :variable:`CTEST_TEST_PRESET`.

Help/variable/CTEST_TEST_PRESET.rst

@@ -0,0 +1,11 @@
+CTEST_TEST_PRESET
+-----------------
+
+.. versionadded:: 4.4
+
+Specify the ``PRESET`` option for the :command:`ctest_test` and
+:command:`ctest_memcheck` commands in a :manual:`ctest(1)`
+:ref:`Dashboard Client` script,
+or on the :program:`ctest` command line via the :ref:`-D <ctest-option-D-var>` option.
+
+See also :variable:`CTEST_PRESET` and :variable:`CTEST_PRESETS_FILE`.

Source/CTest/cmCTestBuildCommand.cxx

@@ -73,18 +73,54 @@ std::unique_ptr<cmCTestGenericHandler> cmCTestBuildCommand::InitializeHandler(
     ? args.Target
     : mf.GetSafeDefinition("CTEST_BUILD_TARGET");
 
+  // Preset name is set according to the following priority order:
+  // 1) The PRESET option to ctest_build()
+  // 2) CTEST_BUILD_PRESET script variable
+  // 3) CTEST_PRESET script variable (a warning is emitted if no build preset
+  //    exists with this name)
+  std::string const sourceDirectory =
+    mf.GetSafeDefinition("CTEST_SOURCE_DIRECTORY");
+
+  // Presets file is set according to the following priority order:
+  // 1) The PRESETS_FILE option to ctest_build()
+  // 2) CTEST_PRESETS_FILE script variable
+  std::string const rawPresetsFile = !args.PresetsFile.empty()
+    ? args.PresetsFile
+    : mf.GetSafeDefinition("CTEST_PRESETS_FILE");
+
+  std::string const presetsFile = rawPresetsFile.empty()
+    ? ""
+    : cmSystemTools::CollapseFullPath(rawPresetsFile, sourceDirectory);
+
+  std::string effectivePreset = !args.Preset.empty() ? args.Preset
+    : cmNonempty(mf.GetDefinition("CTEST_BUILD_PRESET"))
+    ? *mf.GetDefinition("CTEST_BUILD_PRESET")
+    : "";
+  if (effectivePreset.empty()) {
+    cmValue v = mf.GetDefinition("CTEST_PRESET");
+    if (cmNonempty(v)) {
+      std::string presetError;
+      auto presetCheck =
+        BuildPresetExists(*v, sourceDirectory, presetsFile, presetError);
+      if (presetCheck == PresetCheckResult::ReadError) {
+        status.SetError(cmStrCat('\n', presetError));
+        return nullptr;
+      }
+      if (presetCheck == PresetCheckResult::Found) {
+        effectivePreset = *v;
+      } else {
+        cmCTestLog(this->CTest, WARNING,
+                   "No build preset named \""
+                     << *v << "\" found, ignoring CTEST_PRESET." << std::endl);
+      }
+    }
+  }
+
   cmValue ctestBuildCommand = mf.GetDefinition("CTEST_BUILD_COMMAND");
   if (cmNonempty(ctestBuildCommand)) {
     this->CTest->SetCTestConfiguration("MakeCommand", *ctestBuildCommand,
                                        args.Quiet);
-  } else if (!args.Preset.empty()) {
-    std::string const sourceDirectory =
-      mf.GetSafeDefinition("CTEST_SOURCE_DIRECTORY");
-
-    std::string const presetsFile = args.PresetsFile.empty()
-      ? ""
-      : cmSystemTools::CollapseFullPath(args.PresetsFile, sourceDirectory);
-
+  } else if (!effectivePreset.empty()) {
     cmCMakePresetsGraph presetsGraph;
     if (!presetsGraph.ReadProjectPresets(sourceDirectory, presetsFile)) {
       status.SetError(cmStrCat("\n Could not read presets from \"",
@@ -94,7 +130,7 @@ std::unique_ptr<cmCTestGenericHandler> cmCTestBuildCommand::InitializeHandler(
     }
 
     auto resolveResult =
-      presetsGraph.ResolvePreset(args.Preset, presetsGraph.BuildPresets);
+      presetsGraph.ResolvePreset(effectivePreset, presetsGraph.BuildPresets);
     auto resolveError = cmCMakePresetsGraph::FormatPresetError<BuildPreset>(
       resolveResult.StatusCode, resolveResult.ErrorPresetName,
       sourceDirectory);
@@ -106,7 +142,7 @@ std::unique_ptr<cmCTestGenericHandler> cmCTestBuildCommand::InitializeHandler(
     std::string buildCommand =
       cmStrCat('"', cmSystemTools::GetCMakeCommand(), '"');
     buildCommand += " --build . --preset \"";
-    buildCommand += args.Preset;
+    buildCommand += effectivePreset;
     buildCommand += "\"";
 
     if (!presetsFile.empty()) {

Source/CTest/cmCTestConfigureCommand.cxx

@@ -191,14 +191,30 @@ bool cmCTestConfigureCommand::ExecuteConfigure(ConfigureArguments const& args,
     return false;
   }
 
-  std::string const presetsFile = args.PresetsFile.empty()
+  // Preset name is set according to the following priority order:
+  // 1) The PRESET option to ctest_configure()
+  // 2) CTEST_CONFIGURE_PRESET script variable
+  // 3) CTEST_PRESET script variable (error if no such configure preset exists)
+  std::string const presetName = !args.Preset.empty() ? args.Preset
+    : cmNonempty(mf.GetDefinition("CTEST_CONFIGURE_PRESET"))
+    ? *mf.GetDefinition("CTEST_CONFIGURE_PRESET")
+    : mf.GetSafeDefinition("CTEST_PRESET");
+
+  // Presets file is set according to the following priority order:
+  // 1) The PRESETS_FILE option to ctest_configure()
+  // 2) CTEST_PRESETS_FILE script variable
+  std::string const rawPresetsFile = !args.PresetsFile.empty()
+    ? args.PresetsFile
+    : mf.GetSafeDefinition("CTEST_PRESETS_FILE");
+
+  std::string const presetsFile = rawPresetsFile.empty()
     ? ""
-    : cmSystemTools::CollapseFullPath(args.PresetsFile, sourceDirectory);
+    : cmSystemTools::CollapseFullPath(rawPresetsFile, sourceDirectory);
 
   std::string configureCommand = mf.GetDefinition("CTEST_CONFIGURE_COMMAND");
   if (configureCommand.empty() &&
       !ConstructConfigureCommand(status, mf, sourceDirectory, buildDirectory,
-                                 args.Options, args.Preset, presetsFile,
+                                 args.Options, presetName, presetsFile,
                                  configureCommand)) {
     return false;
   }

Source/CTest/cmCTestHandlerCommand.cxx

@@ -8,9 +8,11 @@
 
 #include <cm/string_view>
 
+#include "cmCMakePresetsGraph.h"
 #include "cmCTest.h"
 #include "cmCTestGenericHandler.h"
 #include "cmExecutionStatus.h"
+#include "cmJSONState.h"
 #include "cmMakefile.h"
 #include "cmStringAlgorithms.h"
 #include "cmSystemTools.h"
@@ -216,3 +218,55 @@ void cmCTestHandlerCommand::ProcessAdditionalValues(cmCTestGenericHandler*,
                                                     cmExecutionStatus&) const
 {
 }
+
+namespace {
+enum class PresetType
+{
+  Build,
+  Test,
+};
+
+cmCTestHandlerCommand::PresetCheckResult PresetExistsInGraph(
+  cmCMakePresetsGraph& graph, std::string const& name,
+  std::string const& sourceDir, std::string const& presetsFile,
+  PresetType presetType, std::string& errorMessage)
+{
+  using Result = cmCTestHandlerCommand::PresetCheckResult;
+  if (!graph.ReadProjectPresets(sourceDir, presetsFile)) {
+    errorMessage = cmStrCat("Could not read presets from \"", sourceDir,
+                            "\":\n  ", graph.parseState.GetErrorMessage());
+    return Result::ReadError;
+  }
+  using Status = cmCMakePresetsGraph::PresetResolveStatus;
+  if (presetType == PresetType::Build) {
+    auto result = graph.ResolvePreset(name, graph.BuildPresets);
+    return result.StatusCode == Status::Success ? Result::Found
+                                                : Result::NotFound;
+  }
+  auto result = graph.ResolvePreset(name, graph.TestPresets);
+  return result.StatusCode == Status::Success ? Result::Found
+                                              : Result::NotFound;
+}
+}
+
+cmCTestHandlerCommand::PresetCheckResult
+cmCTestHandlerCommand::BuildPresetExists(std::string const& name,
+                                         std::string const& sourceDir,
+                                         std::string const& presetsFile,
+                                         std::string& errorMessage)
+{
+  cmCMakePresetsGraph graph;
+  return PresetExistsInGraph(graph, name, sourceDir, presetsFile,
+                             PresetType::Build, errorMessage);
+}
+
+cmCTestHandlerCommand::PresetCheckResult
+cmCTestHandlerCommand::TestPresetExists(std::string const& name,
+                                        std::string const& sourceDir,
+                                        std::string const& presetsFile,
+                                        std::string& errorMessage)
+{
+  cmCMakePresetsGraph graph;
+  return PresetExistsInGraph(graph, name, sourceDir, presetsFile,
+                             PresetType::Test, errorMessage);
+}

Source/CTest/cmCTestHandlerCommand.h

@@ -24,6 +24,13 @@ class cmCTestHandlerCommand : public cmCTestCommand
 public:
   using cmCTestCommand::cmCTestCommand;
 
+  enum class PresetCheckResult
+  {
+    Found,
+    NotFound,
+    ReadError,
+  };
+
 protected:
   struct BasicArguments : ArgumentParser::ParseResult
   {
@@ -78,6 +85,15 @@ protected:
   bool ExecuteHandlerCommand(HandlerArguments& args,
                              cmExecutionStatus& status) const;
 
+  static PresetCheckResult BuildPresetExists(std::string const& name,
+                                             std::string const& sourceDir,
+                                             std::string const& presetsFile,
+                                             std::string& errorMessage);
+  static PresetCheckResult TestPresetExists(std::string const& name,
+                                            std::string const& sourceDir,
+                                            std::string const& presetsFile,
+                                            std::string& errorMessage);
+
 private:
   bool InvokeImpl(BasicArguments& args,
                   std::vector<std::string> const& unparsed,

Source/CTest/cmCTestTestCommand.cxx

@@ -34,16 +34,52 @@ std::unique_ptr<cmCTestGenericHandler> cmCTestTestCommand::InitializeHandler(
   cmMakefile& mf = status.GetMakefile();
   auto& args = static_cast<TestArguments&>(arguments);
 
+  std::string const sourceDirectory =
+    mf.GetSafeDefinition("CTEST_SOURCE_DIRECTORY");
+
+  // Presets file is set according to the following priority order:
+  // 1) The PRESETS_FILE option to ctest_test()
+  // 2) CTEST_PRESETS_FILE script variable
+  std::string const rawPresetsFile = !args.PresetsFile.empty()
+    ? args.PresetsFile
+    : mf.GetSafeDefinition("CTEST_PRESETS_FILE");
+
+  std::string const presetsFile = rawPresetsFile.empty()
+    ? ""
+    : cmSystemTools::CollapseFullPath(rawPresetsFile, sourceDirectory);
+
+  // Preset name is set according to the following priority order:
+  // 1) The PRESET option to ctest_test()
+  // 2) CTEST_TEST_PRESET script variable
+  // 3) CTEST_PRESET script variable (a warning is emitted if no test preset
+  //    exists with this name)
+  std::string effectivePreset = !args.Preset.empty() ? args.Preset
+    : cmNonempty(mf.GetDefinition("CTEST_TEST_PRESET"))
+    ? *mf.GetDefinition("CTEST_TEST_PRESET")
+    : "";
+  if (effectivePreset.empty()) {
+    cmValue v = mf.GetDefinition("CTEST_PRESET");
+    if (cmNonempty(v)) {
+      std::string presetError;
+      auto presetCheck =
+        TestPresetExists(*v, sourceDirectory, presetsFile, presetError);
+      if (presetCheck == PresetCheckResult::ReadError) {
+        status.SetError(cmStrCat('\n', presetError));
+        return nullptr;
+      }
+      if (presetCheck == PresetCheckResult::Found) {
+        effectivePreset = *v;
+      } else {
+        cmCTestLog(this->CTest, WARNING,
+                   "No test preset named \""
+                     << *v << "\" found, ignoring CTEST_PRESET." << std::endl);
+      }
+    }
+  }
+
   std::unique_ptr<cmCMakePresetsGraph> presetsGraph;
   TestPreset const* expandedPreset = nullptr;
-  if (!args.Preset.empty()) {
-    std::string const sourceDirectory =
-      mf.GetSafeDefinition("CTEST_SOURCE_DIRECTORY");
-
-    std::string const presetsFile = args.PresetsFile.empty()
-      ? ""
-      : cmSystemTools::CollapseFullPath(args.PresetsFile, sourceDirectory);
-
+  if (!effectivePreset.empty()) {
     presetsGraph = cm::make_unique<cmCMakePresetsGraph>();
     if (!presetsGraph->ReadProjectPresets(sourceDirectory, presetsFile)) {
       status.SetError(cmStrCat("\n Could not read presets from \"",
@@ -53,7 +89,7 @@ std::unique_ptr<cmCTestGenericHandler> cmCTestTestCommand::InitializeHandler(
     }
 
     auto resolveResult =
-      presetsGraph->ResolvePreset(args.Preset, presetsGraph->TestPresets);
+      presetsGraph->ResolvePreset(effectivePreset, presetsGraph->TestPresets);
     auto resolveError = cmCMakePresetsGraph::FormatPresetError<TestPreset>(
       resolveResult.StatusCode, resolveResult.ErrorPresetName,
       sourceDirectory);

Tests/RunCMake/ctest_build/BuildPresetFromFileVar-check.cmake

@@ -0,0 +1,14 @@
+file(GLOB build_xml_file "${RunCMake_TEST_BINARY_DIR}/Testing/*/Build.xml")
+if(build_xml_file)
+  file(READ "${build_xml_file}" build_xml)
+  if(NOT build_xml MATCHES "--preset.*my-build-preset")
+    set(RunCMake_TEST_FAILED
+        "Build.xml does not contain the expected --preset argument")
+  endif()
+  if(NOT build_xml MATCHES "--presets-file")
+    set(RunCMake_TEST_FAILED
+        "Build.xml does not contain the expected --presets-file argument")
+  endif()
+else()
+  set(RunCMake_TEST_FAILED "Build.xml not found")
+endif()

Tests/RunCMake/ctest_build/BuildPresetGenericVar-check.cmake

@@ -0,0 +1,10 @@
+file(GLOB build_xml_file "${RunCMake_TEST_BINARY_DIR}/Testing/*/Build.xml")
+if(build_xml_file)
+  file(READ "${build_xml_file}" build_xml)
+  if(NOT build_xml MATCHES "--preset.*my-build-preset")
+    set(RunCMake_TEST_FAILED
+        "Build.xml does not contain the expected --preset argument")
+  endif()
+else()
+  set(RunCMake_TEST_FAILED "Build.xml not found")
+endif()

Tests/RunCMake/ctest_build/BuildPresetVar-check.cmake

@@ -0,0 +1,10 @@
+file(GLOB build_xml_file "${RunCMake_TEST_BINARY_DIR}/Testing/*/Build.xml")
+if(build_xml_file)
+  file(READ "${build_xml_file}" build_xml)
+  if(NOT build_xml MATCHES "--preset.*my-build-preset")
+    set(RunCMake_TEST_FAILED
+        "Build.xml does not contain the expected --preset argument")
+  endif()
+else()
+  set(RunCMake_TEST_FAILED "Build.xml not found")
+endif()

Tests/RunCMake/ctest_build/CMakePresets.json.in

@@ -10,6 +10,10 @@
       "name": "my-configure-preset",
       "generator": "@RunCMake_GENERATOR@",
       "binaryDir": "${sourceDir}/../BuildPreset-build"
+    },
+    {
+      "name": "my-build-preset",
+      "inherits": "my-configure-preset"
     }
   ],
   "buildPresets": [

Tests/RunCMake/ctest_build/RunCMakeTest.cmake

@@ -80,6 +80,26 @@ configure_file(
 run_ctest_build(BuildPreset PRESET my-build-preset)
 unset(RunCMake_TEST_SOURCE_DIR)
 
+set(RunCMake_TEST_SOURCE_DIR "${RunCMake_BINARY_DIR}/BuildPresetVar")
+configure_file(
+  "${RunCMake_SOURCE_DIR}/CMakePresets.json.in"
+  "${RunCMake_TEST_SOURCE_DIR}/CMakePresets.json"
+  @ONLY)
+set(CASE_TEST_PREFIX_CODE [[set(CTEST_BUILD_PRESET "my-build-preset")]])
+run_ctest(BuildPresetVar)
+unset(CASE_TEST_PREFIX_CODE)
+unset(RunCMake_TEST_SOURCE_DIR)
+
+set(RunCMake_TEST_SOURCE_DIR "${RunCMake_BINARY_DIR}/BuildPresetGenericVar")
+configure_file(
+  "${RunCMake_SOURCE_DIR}/CMakePresets.json.in"
+  "${RunCMake_TEST_SOURCE_DIR}/CMakePresets.json"
+  @ONLY)
+set(CASE_TEST_PREFIX_CODE [[set(CTEST_PRESET "my-build-preset")]])
+run_ctest(BuildPresetGenericVar)
+unset(CASE_TEST_PREFIX_CODE)
+unset(RunCMake_TEST_SOURCE_DIR)
+
 set(RunCMake_TEST_SOURCE_DIR "${RunCMake_BINARY_DIR}/BuildPresetFromFile")
 set(custom_presets_file
   "${RunCMake_BINARY_DIR}/BuildPresetFromFile/custom-presets.json")
@@ -93,6 +113,21 @@ run_ctest_build(BuildPresetFromFile
 unset(RunCMake_TEST_SOURCE_DIR)
 unset(custom_presets_file)
 
+set(RunCMake_TEST_SOURCE_DIR "${RunCMake_BINARY_DIR}/BuildPresetFromFileVar")
+set(custom_presets_file
+  "${RunCMake_BINARY_DIR}/BuildPresetFromFileVar/custom-presets.json")
+configure_file(
+  "${RunCMake_SOURCE_DIR}/CMakePresets.json.in"
+  "${custom_presets_file}"
+  @ONLY)
+set(CASE_TEST_PREFIX_CODE
+"set(CTEST_BUILD_PRESET \"my-build-preset\")
+set(CTEST_PRESETS_FILE \"${custom_presets_file}\")")
+run_ctest(BuildPresetFromFileVar)
+unset(CASE_TEST_PREFIX_CODE)
+unset(RunCMake_TEST_SOURCE_DIR)
+unset(custom_presets_file)
+
 run_ctest_build(BuildPresetBadFile
   PRESET my-build-preset
   PRESETS_FILE /nonexistent/path/presets.json)

Tests/RunCMake/ctest_configure/ConfigurePresetFromFileVar-check.cmake

@@ -0,0 +1,29 @@
+if(IS_DIRECTORY "${RunCMake_TEST_SOURCE_DIR}/build")
+ set(RunCMake_TEST_FAILED
+     "CTEST_BINARY_DIRECTORY did not override buildDir from preset")
+endif()
+
+file(GLOB configure_xml_file "${RunCMake_TEST_BINARY_DIR}/Testing/*/Configure.xml")
+if(configure_xml_file)
+  file(READ "${configure_xml_file}" configure_xml)
+  if(NOT configure_xml MATCHES "\"--preset\" \"my-preset\"")
+     set(RunCMake_TEST_FAILED
+         "Configure.xml does not contain the expected --preset argument")
+  endif()
+  if(NOT configure_xml MATCHES "\"--presets-file\"")
+     set(RunCMake_TEST_FAILED
+         "Configure.xml does not contain the expected --presets-file argument")
+  endif()
+else()
+  set(RunCMake_TEST_FAILED "Configure.xml not found")
+endif()
+
+set(cmakecache_file "${RunCMake_TEST_BINARY_DIR}/CMakeCache.txt")
+if(EXISTS "${cmakecache_file}")
+  file(READ "${cmakecache_file}" cmakecache_txt)
+  if(NOT cmakecache_txt MATCHES "MY_CUSTOM_VAR:STRING=this-gets-set")
+     set(RunCMake_TEST_FAILED "CMakeCache.txt does not contain MY_CUSTOM_VAR")
+  endif()
+else()
+  set(RunCMake_TEST_FAILED "CMakeCache.txt not found")
+endif()

Tests/RunCMake/ctest_configure/ConfigurePresetGenericVar-check.cmake

@@ -0,0 +1,25 @@
+if(IS_DIRECTORY "${RunCMake_TEST_SOURCE_DIR}/build")
+ set(RunCMake_TEST_FAILED
+     "CTEST_BINARY_DIRECTORY did not override buildDir from preset")
+endif()
+
+file(GLOB configure_xml_file "${RunCMake_TEST_BINARY_DIR}/Testing/*/Configure.xml")
+if(configure_xml_file)
+  file(READ "${configure_xml_file}" configure_xml)
+  if(NOT configure_xml MATCHES "\"--preset\" \"my-preset\"")
+     set(RunCMake_TEST_FAILED
+         "Configure.xml does not contain the expected --preset argument")
+  endif()
+else()
+  set(RunCMake_TEST_FAILED "Configure.xml not found")
+endif()
+
+set(cmakecache_file "${RunCMake_TEST_BINARY_DIR}/CMakeCache.txt")
+if(EXISTS "${cmakecache_file}")
+  file(READ "${cmakecache_file}" cmakecache_txt)
+  if(NOT cmakecache_txt MATCHES "MY_CUSTOM_VAR:STRING=this-gets-set")
+     set(RunCMake_TEST_FAILED "CMakeCache.txt does not contain MY_CUSTOM_VAR")
+  endif()
+else()
+  set(RunCMake_TEST_FAILED "CMakeCache.txt not found")
+endif()

Tests/RunCMake/ctest_configure/ConfigurePresetVar-check.cmake

@@ -0,0 +1,25 @@
+if(IS_DIRECTORY "${RunCMake_TEST_SOURCE_DIR}/build")
+ set(RunCMake_TEST_FAILED
+     "CTEST_BINARY_DIRECTORY did not override buildDir from preset")
+endif()
+
+file(GLOB configure_xml_file "${RunCMake_TEST_BINARY_DIR}/Testing/*/Configure.xml")
+if(configure_xml_file)
+  file(READ "${configure_xml_file}" configure_xml)
+  if(NOT configure_xml MATCHES "\"--preset\" \"my-preset\"")
+     set(RunCMake_TEST_FAILED
+         "Configure.xml does not contain the expected --preset argument")
+  endif()
+else()
+  set(RunCMake_TEST_FAILED "Configure.xml not found")
+endif()
+
+set(cmakecache_file "${RunCMake_TEST_BINARY_DIR}/CMakeCache.txt")
+if(EXISTS "${cmakecache_file}")
+  file(READ "${cmakecache_file}" cmakecache_txt)
+  if(NOT cmakecache_txt MATCHES "MY_CUSTOM_VAR:STRING=this-gets-set")
+     set(RunCMake_TEST_FAILED "CMakeCache.txt does not contain MY_CUSTOM_VAR")
+  endif()
+else()
+  set(RunCMake_TEST_FAILED "CMakeCache.txt not found")
+endif()

Tests/RunCMake/ctest_configure/RunCMakeTest.cmake

@@ -16,6 +16,24 @@ configure_file(
   @ONLY)
 run_ctest_configure(ConfigurePreset PRESET my-preset)
 
+set(RunCMake_TEST_SOURCE_DIR "${RunCMake_BINARY_DIR}/ConfigurePresetVar")
+configure_file(
+  "${RunCMake_SOURCE_DIR}/CMakePresets.json.in"
+  "${RunCMake_TEST_SOURCE_DIR}/CMakePresets.json"
+  @ONLY)
+set(CASE_TEST_PREFIX_CODE [[set(CTEST_CONFIGURE_PRESET "my-preset")]])
+run_ctest(ConfigurePresetVar)
+unset(CASE_TEST_PREFIX_CODE)
+
+set(RunCMake_TEST_SOURCE_DIR "${RunCMake_BINARY_DIR}/ConfigurePresetGenericVar")
+configure_file(
+  "${RunCMake_SOURCE_DIR}/CMakePresets.json.in"
+  "${RunCMake_TEST_SOURCE_DIR}/CMakePresets.json"
+  @ONLY)
+set(CASE_TEST_PREFIX_CODE [[set(CTEST_PRESET "my-preset")]])
+run_ctest(ConfigurePresetGenericVar)
+unset(CASE_TEST_PREFIX_CODE)
+
 set(RunCMake_TEST_SOURCE_DIR "${RunCMake_BINARY_DIR}/ConfigurePresetFromFile")
 set(custom_presets_file "${RunCMake_BINARY_DIR}/ConfigurePresetFromFile/custom-presets.json")
 configure_file(
@@ -24,3 +42,17 @@ configure_file(
   @ONLY)
 run_ctest_configure(ConfigurePresetFromFile PRESET my-preset PRESETS_FILE "${custom_presets_file}")
 unset(custom_presets_file)
+
+set(RunCMake_TEST_SOURCE_DIR "${RunCMake_BINARY_DIR}/ConfigurePresetFromFileVar")
+set(custom_presets_file "${RunCMake_BINARY_DIR}/ConfigurePresetFromFileVar/custom-presets.json")
+configure_file(
+  "${RunCMake_SOURCE_DIR}/CMakePresets.json.in"
+  "${custom_presets_file}"
+  @ONLY)
+set(CASE_TEST_PREFIX_CODE
+"set(CTEST_CONFIGURE_PRESET \"my-preset\")
+set(CTEST_PRESETS_FILE \"${custom_presets_file}\")")
+run_ctest(ConfigurePresetFromFileVar)
+unset(CASE_TEST_PREFIX_CODE)
+unset(custom_presets_file)
+unset(RunCMake_TEST_SOURCE_DIR)

Tests/RunCMake/ctest_configure/test.cmake.in

@@ -1,4 +1,5 @@
 cmake_minimum_required(VERSION 3.10)
+@CASE_TEST_PREFIX_CODE@
 
 set(CTEST_SITE                          "test-site")
 set(CTEST_BUILD_NAME                    "test-build-name")

Tests/RunCMake/ctest_test/CMakePresets.json.in

@@ -10,6 +10,10 @@
       "name": "my-configure-preset",
       "generator": "@RunCMake_GENERATOR@",
       "binaryDir": "${sourceDir}/build"
+    },
+    {
+      "name": "my-include-preset",
+      "inherits": "my-configure-preset"
     }
   ],
   "testPresets": [

Tests/RunCMake/ctest_test/RunCMakeTest.cmake

@@ -24,6 +24,8 @@ endforeach()
     TestPresetExclude
     TestPresetInclude
     TestPresetOverride
+    TestPresetVar
+    TestPresetGenericVar
   )
     configure_file(
       "${RunCMake_SOURCE_DIR}/CMakePresets.json.in"
@@ -35,6 +37,14 @@ endforeach()
   run_ctest_test(TestPresetInclude PRESET my-include-preset)
   run_ctest_test(TestPresetOverride PRESET my-include-preset INCLUDE test2)
 
+  set(CASE_TEST_PREFIX_CODE [[set(CTEST_TEST_PRESET "my-include-preset")]])
+  run_ctest(TestPresetVar)
+  unset(CASE_TEST_PREFIX_CODE)
+
+  set(CASE_TEST_PREFIX_CODE [[set(CTEST_PRESET "my-include-preset")]])
+  run_ctest(TestPresetGenericVar)
+  unset(CASE_TEST_PREFIX_CODE)
+
   set(custom_presets_file
     "${RunCMake_BINARY_DIR}/TestPresetFileInclude/custom-presets.json")
   configure_file(
@@ -47,6 +57,19 @@ endforeach()
   unset(CASE_CTEST_TEST_RAW_ARGS)
   unset(custom_presets_file)
 
+  set(custom_presets_file
+    "${RunCMake_BINARY_DIR}/TestPresetFromFileVar/custom-presets.json")
+  configure_file(
+    "${RunCMake_SOURCE_DIR}/CMakePresets.json.in"
+    "${custom_presets_file}"
+    @ONLY)
+  set(CASE_TEST_PREFIX_CODE
+"set(CTEST_TEST_PRESET \"my-include-preset\")
+set(CTEST_PRESETS_FILE \"${custom_presets_file}\")")
+  run_ctest(TestPresetFromFileVar)
+  unset(CASE_TEST_PREFIX_CODE)
+  unset(custom_presets_file)
+
   set(CASE_CTEST_TEST_RAW_ARGS
     "PRESET my-include-preset PRESETS_FILE /nonexistent/path/presets.json")
   run_ctest(TestPresetBadFile)

Tests/RunCMake/ctest_test/TestPresetFromFileVar-stdout.txt

@@ -0,0 +1,4 @@
+    Start [0-9]+: test1
+1/1 Test #[0-9]+: test1 \.+   Passed +[0-9\.]+ sec
++
+100% tests passed out of 1

Tests/RunCMake/ctest_test/TestPresetGenericVar-stderr.txt

@@ -0,0 +1 @@
+No build preset named "my-include-preset" found, ignoring CTEST_PRESET\.

Tests/RunCMake/ctest_test/TestPresetGenericVar-stdout.txt

@@ -0,0 +1,4 @@
+    Start [0-9]+: test1
+1/1 Test #[0-9]+: test1 \.+   Passed +[0-9\.]+ sec
++
+100% tests passed out of 1

Tests/RunCMake/ctest_test/TestPresetVar-stdout.txt

@@ -0,0 +1,4 @@
+    Start [0-9]+: test1
+1/1 Test #[0-9]+: test1 \.+   Passed +[0-9\.]+ sec
++
+100% tests passed out of 1